There are complex patterns and shadings on the original paper, that applies curved line to compose characters, and uses complicated curved to overlap the design of Guilloche effect. This is not only creates quality textures with authority, the redrawing process also make it difficult to forge.
On the duplicate, the complex patterns disappear, and hidden text of “DUPLICATE” appears, which is helpful to identify the original and duplicate.
Anti Copy Paper, Security A4 Copy Paper, Contract Paper, No.7, 500 sheet
- Relief character
- Guilloche background design
- Hidden text in the background line appears on the duplicate